package org.vsg.stock.core.utils;

import java.util.Calendar;
import java.util.Date;

public interface StockDateUtilExtension {
	/**
	 * @param stkCode
	 * @param relativeDate
	 * @param targetDate
	 */
	int getDifferenceValue(String stkCode, Date relativeDate, Date targetDate);
	
	
	public  boolean isTradingDate(Date date);

	
	public boolean isTradingDate(Calendar tmpCale);	
}
